'use strict';
const db = uniCloud.database()
exports.main = async (event, context) => {
  //event为客户端上传的参数
  console.log('event : ' + event)
  event = await db.collection('conver').where({
  	_id:""
  }).update({
  	conver: ""

  });
  //返回数据给客户端
  return event
};
